Outdoor Selectable-Output Speaker Strobes Dual-Voltage Evacuation Speakers
The System Sensor SPRK is an outdoor selectable dual voltage output notification speaker. Designed to perform in noisy environments, the speaker incorporated in the device offers high volume quality sound. With a frequency range of 400 to 4000 Hz, the sensor offers highly audible noise that makes it a perfect emergency notification device.

Reduced Ground Faults
The plug-in design of the device reduces ground faults. The system sensor incorporates a red outdoor back box and features removable side flanges. The device has improved resistant to saltwater corrosion. The shorting spring in the mounting plate, checks for any kind of wiring defect, prior to installation. The device has an operating temperature of -40DegreeF to 151DegreeF (-40Degree C to 66Degree C).

Advantage of Rotary Switches
The System Sensor SPRK can be used either at 25 or 70.7 volts. The rotary switches incorporated in the product helps you to choose between 25 or 70.7 volts input. These devices are also compatible with previous generation of SpectrAlert speakers.